| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke | China national standards | MT | 684.71 | USD | 20251112 |
| Shanghai Guoke | China national standards | MT | 684.39 | USD | 20251111 |
| Shanghai Guoke | China national standards | MT | 698.6 | USD | 20251110 |
| Shanghai Guoke | China national standards | MT | 698.8 | USD | 20251107 |
| Shanghai Guoke | China national standards | MT | 698.51 | USD | 20251106 |
| Shanghai Guoke | China national standards | MT | 698.16 | USD | 20251105 |
| Shanghai Guoke | China national standards | MT | 698.31 | USD | 20251104 |
| Shanghai Guoke | China national standards | MT | 712.6 | USD | 20251103 |
| Shanghai Guoke | China national standards | MT | 712.47 | USD | 20251031 |
| Shanghai Guoke | China national standards | MT | 712.84 | USD | 20251029 |